AudioUnit work.

Filled in some stub functions.
Started AUPluginUI class.


git-svn-id: svn://localhost/ardour2/trunk@762 d708f5d6-7413-0410-9779-e7cbd77b26cf

5 files changed, 112 insertions, 40 deletions

diff --git a/ardour.dox b/ardour.dox
index a72ecbc588..f2036d352e 100644
--- a/ardour.dox
+++ b/ardour.dox
@@ -971,13 +971,13 @@ ENABLE_PREPROCESSING   = YES
 # compilation will be performed. Macro expansion can be done in a controlled 
 # way by setting EXPAND_ONLY_PREDEF to YES.
 
-MACRO_EXPANSION        = NO
+MACRO_EXPANSION        = YES
 
 # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES 
 # then the macro expansion is limited to the macros specified with the 
 # PREDEFINED and EXPAND_AS_DEFINED tags.
 
-EXPAND_ONLY_PREDEF     = NO
+EXPAND_ONLY_PREDEF     = YES
 
 # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files 
 # in the INCLUDE_PATH (see below) will be search if a #include is found.
@@ -1005,7 +1005,7 @@ INCLUDE_FILE_PATTERNS  =
 # undefined via #undef or recursively expanded use the := operator 
 # instead of the = operator.
 
-PREDEFINED             = 
+PREDEFINED             = HAVE_COREAUDIO VST_SUPPORT HAVE_LIBLO FFT_ANALYSIS
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
 # this tag can be used to specify a list of macro names that should be expanded. 
diff --git a/au_pluginui.cc b/au_pluginui.cc
new file mode 100644
index 0000000000..cbf493a629
--- /dev/null
+++ b/au_pluginui.cc
@@ -0,0 +1,45 @@
+/*
+    Copyright (C) 2006 Paul Davis 
+	Written by Taybin Rutkin
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <ardour/insert.h>
+#include <ardour/audio_unit.h>
+
+#include "plugin_ui.h"
+
+using namespace ARDOUR;
+using namespace PBD;
+
+AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<AUPlugin> ap)
+	: PlugUIBase (pi),
+	  au (ap)
+{
+	info << "AUPluginUI created" << endmsg;
+}
+
+AUPluginUI::~AUPluginUI ()
+{
+	// nothing to do here - plugin destructor destroys the GUI
+}
+
+int
+AUPluginUI::get_preferred_height ()
+{
+	return -1;
+}
diff --git a/gtk2_ardour/plugin_ui.h b/gtk2_ardour/plugin_ui.h
index 570a224b66..0d0055fd47 100644
--- a/gtk2_ardour/plugin_ui.h
+++ b/gtk2_ardour/plugin_ui.h
@@ -50,6 +50,7 @@ namespace ARDOUR {
 	class Plugin;
 	class VSTPlugin;
 	class Redirect;
+	class AUPlugin;
 }
 
 namespace PBD {
@@ -231,6 +232,22 @@ class VSTPluginUI : public PlugUIBase, public Gtk::VBox
 	bool configure_handler (GdkEventConfigure*, Gtk::Socket*);
 	void save_plugin_setting ();
 };
-#endif
+#endif // VST_SUPPORT
+
+#ifdef HAVE_COREAUDIO
+class AUPluginUI : public PlugUIBase
+{
+  public:
+	AUPluginUI (boost::shared_ptr<ARDOUR::PluginInsert>, boost::shared_ptr<ARDOUR::AUPlugin>);
+	~AUPluginUI ();
+	
+	gint get_preferred_height ();
+	bool start_updating(GdkEventAny*) {return false;}
+	bool stop_updating(GdkEventAny*) {return false;}
+
+  private:
+	boost::shared_ptr<ARDOUR::AUPlugin> au;
+};
+#endif // HAVE_COREAUDIO
 
 #endif /* __ardour_plugin_ui_h__ */
diff --git a/libs/ardour/ardour/audio_unit.h b/libs/ardour/ardour/audio_unit.h
index f437ae053a..63522d8d5c 100644
--- a/libs/ardour/ardour/audio_unit.h
+++ b/libs/ardour/ardour/audio_unit.h
@@ -88,6 +88,8 @@ class AUPlugin : public ARDOUR::Plugin
   private:
 	CAComponent* comp;
     CAAudioUnit* unit;
+
+	std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
 };
 
 class AUPluginInfo : public PluginInfo {
diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 0756f55a59..59797f3288 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -82,13 +82,13 @@ AUPlugin::unique_id () const
 const char *
 AUPlugin::label () const
 {
-	return "";
+	return "AUPlugin label";
 }
 
 const char *
 AUPlugin::maker () const
 {
-	return "";
+	return "AUplugin maker";
 }
 
 uint32_t
@@ -100,25 +100,30 @@ AUPlugin::parameter_count () const
 float
 AUPlugin::default_value (uint32_t port)
 {
-	return 0.0;
+	// AudioUnits don't have default values.  Maybe presets though?
+	return 0;
 }
 
 jack_nframes_t
 AUPlugin::latency () const
 {
-	return 0;
+	return unit->Latency ();
 }
 
 void
 AUPlugin::set_parameter (uint32_t which, float val)
 {
-	
+	unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
 }
 
 float
 AUPlugin::get_parameter (uint32_t which) const
 {
-	return 0.0;
+	float outValue = 0.0;
+	
+	unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue);
+	
+	return outValue;
 }
 
 int
@@ -136,13 +141,13 @@ AUPlugin::nth_parameter (uint32_t which, bool& ok) const
 void
 AUPlugin::activate ()
 {
-	
+	unit->GlobalReset ();
 }
 
 void
 AUPlugin::deactivate ()
 {
-	
+	// not needed.  GlobalReset () takes care of it.
 }
 
 void
@@ -154,7 +159,19 @@ AUPlugin::set_block_size (jack_nframes_t nframes)
 int
 AUPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset)
 {
-	return -1;
+	AudioUnitRenderActionFlags flags = 0;
+	AudioTimeStamp ts;
+	
+	AudioBufferList abl;
+	abl.mNumberBuffers = 1;
+	abl.mBuffers[0].mNumberChannels = 1;
+	abl.mBuffers[0].mDataByteSize = nframes * sizeof(Sample);
+	abl.mBuffers[0].mData = &bufs[0];
+	
+	
+	unit->Render (&flags, &ts, 0, 0, &abl);
+	
+	return 0;
 }
 
 set<uint32_t>
@@ -281,40 +298,31 @@ AUPluginInfo::discover ()
 {
 	PluginInfoList plugs;
 
-	int numTypes = 2;    // this magic number was retrieved from the apple AUHost example.
-
 	CAComponentDescription desc;
 	desc.componentFlags = 0;
 	desc.componentFlagsMask = 0;
 	desc.componentSubType = 0;
 	desc.componentManufacturer = 0;
+	desc.componentType = kAudioUnitType_Effect;
 
-	for (int i = 0; i < numTypes; ++i) {
-		if (i == 1) {
-			desc.componentType = kAudioUnitType_MusicEffect;
-		} else {
-			desc.componentType = kAudioUnitType_Effect;
-		}
+	Component comp = 0;
 
-		Component comp = 0;
-
-		comp = FindNextComponent (NULL, &desc);
-		while (comp != NULL) {
-			CAComponentDescription temp;
-			GetComponentInfo (comp, &temp, NULL, NULL, NULL);
-			
-			AUPluginInfoPtr plug(new AUPluginInfo);
-			plug->name = AUPluginInfo::get_name (temp);
-			plug->type = PluginInfo::AudioUnit;
-			plug->n_inputs = 0;
-			plug->n_outputs = 0;
-			plug->category = "AudioUnit";
-			plug->desc = new CAComponentDescription(temp);
-
-			plugs.push_back(plug);
-			
-			comp = FindNextComponent (comp, &desc);
-		}
+	comp = FindNextComponent (NULL, &desc);
+	while (comp != NULL) {
+		CAComponentDescription temp;
+		GetComponentInfo (comp, &temp, NULL, NULL, NULL);
+		
+		AUPluginInfoPtr plug(new AUPluginInfo);
+		plug->name = AUPluginInfo::get_name (temp);
+		plug->type = PluginInfo::AudioUnit;
+		plug->n_inputs = 0;
+		plug->n_outputs = 0;
+		plug->category = "AudioUnit";
+		plug->desc = new CAComponentDescription(temp);
+
+		plugs.push_back(plug);
+		
+		comp = FindNextComponent (comp, &desc);
 	}
 
 	return plugs;